A compressor-type all-weather heat rod control device

Abstract

The present invention relates to the technical field of heat pipes in permafrost areas, and is a compressor-type all-weather heat rod control device, comprising a heat rod, an evaporative refrigeration unit, a compressor, a condensing heat dissipation unit, a flue and a temperature collection unit; the heat dissipation end of the heat rod is buried below the ground, the evaporative refrigeration unit is mounted on the outer side of the heat dissipation end of the heat rod, a working medium is arranged in the evaporative refrigeration unit, the output end of the evaporative refrigeration unit is connected to the compressor, the output end of the compressor is connected to the condensing heat dissipation unit, and the output end of the condensing heat dissipation unit is fixedly connected to the input end of the evaporative refrigeration unit; the present invention controls the operation of the evaporative refrigeration unit by a control unit according to the comparison between the temperatures above the ground and below the ground, thereby cooling the heat rod as needed, realizing the integration of cooling and cooling of the heat rod, thereby realizing the cooling of the frozen soil foundation, and by continuously reducing the temperature of the heat dissipation end of the heat rod, forcing the heat rod to work uninterruptedly, so as to achieve the purpose of the heat rod working around the clock all year round.

Description

Technical Field

[0001] The invention relates to the technical field of heat pipes in permafrost areas, and in particular to a compressor-type all-weather heat rod regulating device. Background Art

[0002] At present, the adoption of frozen soil protection engineering measures and active cooling of frozen soil foundations are the key ways to ensure the long-term safe operation and stability of frozen soil projects. Since the strength of frozen soil is closely related to temperature, its strength can increase exponentially as the temperature of frozen soil continues to decrease. Under low temperature conditions, frozen soil foundations can be as hard as a rock, and under high temperature or close to 0°C, they can be as soft as soft soil foundations. Therefore, by applying frozen soil protection engineering measures to frozen soil foundations, by reducing the frozen soil temperature to varying degrees and continuously gathering cold energy into the foundation, the purpose of maintaining the long-term stability of the frozen soil foundation can be well achieved. Therefore, for an engineering measure to protect frozen soil, its cooling efficiency, or the overall regulation efficiency of the geothermal field of the frozen soil foundation, is the key to the success or failure of maintaining the long-term stability of the roadbed.

[0003] Heat pipes (also called heat rods) are efficient heat conduction devices formed by the principle of heat conduction and the rapid heat transfer properties of refrigeration media. The application of this measure can reduce the temperature of frozen soil and maintain the long-term stability of frozen soil projects. Existing observations show that heat rods generally only work in winter and at night in winter, so the working efficiency of the heat rods will be greatly affected. In the face of large amounts of heat absorption in frozen soil highway projects and the increasing warming and humidification of the Qinghai-Tibet Plateau, the cooling efficiency of this measure will be greatly affected. Especially in the warm season, when frozen soil projects absorb a lot of heat, the ground temperature and frozen soil temperature continue to rise, and the frozen soil foundation is cooled and cooled, the heat rods are in a stopped state. The existence of these problems greatly affects the effectiveness of this engineering measure and has an important impact on the stability of frozen soil projects. Therefore, a new device that can solve these problems is urgently needed. Summary of the invention

[0004] The present invention provides a compressor-type all-weather heat rod control device, which overcomes the shortcomings of the above-mentioned prior art and can effectively solve the problem that the heat rods used in existing frozen soil projects to reduce the temperature of frozen soil can only work in winter, resulting in low working efficiency of the heat rods.

[0005] In order to solve the above problems, the compressor-type all-weather heat rod control device described in the present invention includes a heat rod, an evaporative refrigeration unit, a compressor, a condensing and cooling unit, a flue and a temperature collection unit;

[0006] The heat dissipation end of the heat rod is buried below the ground, an evaporative refrigeration unit is mounted on the outer side of the heat dissipation end of the heat rod, a working medium is arranged in the evaporative refrigeration unit, an output end of the evaporative refrigeration unit is connected to a compressor, an output end of the compressor is connected to a condensation heat dissipation unit, and an output end of the condensation heat dissipation unit is fixedly connected to an input end of the evaporative refrigeration unit;

[0007] The power supply unit includes a wind power generation device, a solar panel and a battery, and the wind power generation device and the solar panel are both connected to the battery; the condensation and heat dissipation unit is located inside the flue, and the solar panel is used as a part of the flue on the other side of the flue corresponding to the position of the condensation and heat dissipation unit;

[0008] The temperature collection units are respectively arranged above the ground and below the ground;

[0009] The control unit is respectively connected with the storage battery, the evaporative refrigeration unit, the compressor and the temperature collection unit.

[0010] The above-mentioned evaporative refrigeration unit includes an embedded copper tube and a hollow rubber sheath. The outer side of the heat dissipation end of the heat rod is covered with a rubber sheath, and the hollow inner side of the rubber sheath is covered with an embedded copper tube. The embedded copper tube is bent in an S-shaped structure, and the working medium flows inside the embedded copper tube. The embedded copper tube is fixedly connected to the compressor and the condensing heat dissipation unit respectively.

[0011] The condensing and cooling unit comprises a water tank and cooling fins. The cooling fins are arranged on the water tank. The water tank is fixedly connected with the compressor and the evaporative refrigeration unit respectively.

[0012] The flue includes a flue front baffle, a flue rear baffle and a flue partition. The solar panels are tilted and distributed. The flue front baffle is connected above the solar panels. The flue rear baffle is arranged behind the solar panels and the flue front baffle. A plurality of flue partitions are arranged between the flue front baffle and the flue rear baffle.

[0013] The solar panels are arranged in multiple groups side by side and form an angle of 30° to 45° with the ground.

[0014] A heat absorbing unit is arranged above the ground behind the flue, and the heat absorbing unit comprises soil rich in organic matter, water absorbing materials and vegetation grass seeds.

[0015] The embodiment of the present invention sets up an evaporative refrigeration unit, a condensing heat dissipation unit, etc., and controls the operation of the refrigeration unit according to the comparison of the temperatures above and below the ground through the control unit, thereby cooling the heat rod as needed, realizing integrated cooling of the heat rod, thereby cooling the frozen soil foundation, and forcing the heat rod to work uninterruptedly by continuously lowering the temperature of the heat dissipation end of the heat rod, thereby achieving the purpose of the heat rod working all year round and all weather. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a schematic diagram of the overall device structure of Example 1 of the present invention.

[0018] Figure 2 It is a longitudinal section view of the evaporative refrigeration unit in Example 1 of the present invention.

[0019] Figure 3 It is a cross-sectional view of the evaporative refrigeration unit in Example 1 of the present invention.

[0020] Figure 4 It is a cross-sectional view of the condensation and heat dissipation unit in Example 1 of the present invention.

[0021] Figure 5 It is a longitudinal section view of the flue in Example 1 of the present invention.

[0022] Figure 6 This is a cross-sectional view of the flue in Example 1 of the present invention.

[0023] Figure 7 This is a layout diagram of the flue in Example 1 of the present invention.

[0024] Figure 8 a is a temperature simulation calculation diagram when the heat rod is not working in summer in Example 2 of the present invention.

[0025] Figure 8 b is a temperature simulation calculation diagram when the present invention is implemented in Example 2 of the present invention.

[0026] Figure 9a This is a structural diagram of an existing semiconductor enhanced refrigeration device in Example 3 of the present invention.

[0027] Figure 9b This is a measured temperature diagram of the existing semiconductor enhanced refrigeration device in Example 3 of the present invention.

[0028] Fig.10 This is a temperature diagram of the tube wall at the heat dissipation end of the hot rod when the present invention is implemented in Example 3 of the present invention.

[0029] In the figure: 1-heat rod, 2-compressor, 3-temperature collection unit, 4-wind power generation device, 5-solar panel, 6-battery, 7-control unit, 8-embedded copper tube, 9-rubber sheath, 10-water tank, 11-heat dissipation fin, 12-flue front baffle, 13-flue rear baffle, 14-flue partition, 15-heat absorption unit, 16-ground, 17-evaporative refrigeration unit, 18-condensing heat dissipation unit. DETAILED DESCRIPTION

[0030] The present invention is not limited by the following embodiments, and specific implementation methods can be determined based on the technical solution of the present invention and actual conditions.

[0031] The present invention will be further described below in conjunction with embodiments and drawings:

[0032] Example 1: Figure 1-7 As shown, the embodiment of the present invention discloses a compressor-type all-weather heat rod control device, including a heat rod 1, an evaporative refrigeration unit 17, a compressor 2, a condensation heat dissipation unit 18, a flue and a temperature collection unit 3;

[0033] The heat dissipation end of the heat rod 1 is buried below the ground 16, and an evaporative refrigeration unit 17 is mounted on the outer side of the heat dissipation end of the heat rod 1. The evaporative refrigeration unit 17 is provided with a working medium. The output end of the evaporative refrigeration unit 17 is connected to the compressor 2, and the output end of the compressor 2 is connected to the condensation heat dissipation unit 18. The output end of the condensation heat dissipation unit 18 is fixedly connected to the input end of the evaporative refrigeration unit 17.

[0034] The power supply unit includes a wind power generation device 4, a solar panel 5 and a battery 6, and the wind power generation device 4 and the solar panel 5 are both connected to the battery 6; the condensation and heat dissipation unit 18 is located inside the flue, and the solar panel 5 is used as a part of the flue on the other side of the flue corresponding to the position of the condensation and heat dissipation unit 18;

[0035] The temperature collection units 3 are respectively arranged above the ground 16 and below the ground 16;

[0036] The control unit 7 is connected to the battery 6 , the evaporative cooling unit 17 , the compressor 2 and the temperature acquisition unit 3 respectively.

[0037] The solar panel 5 is arranged in the direction facing the sun, and by using the solar panel 5 as a part of the flue, it plays the role of shading and absorbing solar energy; the battery 6 can be a long-lasting low-temperature resistant colloid battery for storing electrical energy.

[0038] The working medium may be the known Freon refrigerants R22, R32, and R134a. The evaporative refrigeration unit 17 may be disposed at a depth of 0 to 1 m below the ground 16, within a range of 10 to 50 cm.

[0039] The temperature acquisition unit 3 may be a known temperature probe, which is used to collect the temperature below the ground 16 and above the ground 16 (external environment), and output the collected temperature signal to the control unit 7; the control unit 7 is a known technology, which can make a judgment based on the temperature signal output by the temperature acquisition unit 3, and control the dormant or on state of the evaporative refrigeration unit 17 based on the judged temperature signal, thereby adjusting the working time of the evaporative refrigeration unit 17, specifically:

[0040] 1. The evaporative refrigeration unit 17 is in a dormant state: On winter nights or during the day, when the control unit 7 determines that the temperature above the ground 16 (external environment) is lower than the temperature of the frozen ground below the ground 16, the heat rod 1 can work independently without power to cool the frozen ground autonomously. At this time, the evaporative refrigeration unit 17 is in a dormant state;

[0041] 2. Evaporative refrigeration unit 17 is turned on: In summer, the power supply unit supplies power to the control unit 7. When the control unit 7 determines that the temperature above the ground 16 (external environment) is higher than the temperature of the frozen ground below the ground 16, the control unit 7 supplies power to the evaporative refrigeration unit 17 to start the evaporative refrigeration unit 17. At the same time, the compressor 2 starts to work, converts the high-temperature and low-pressure vapor refrigerant in the evaporative refrigeration unit 17 into a high-temperature and high-pressure vapor refrigerant and outputs it to the condensation and heat dissipation unit 18. The condensation and heat dissipation unit 18 converts the high-temperature and high-pressure vapor refrigerant into a low-temperature and low-pressure liquid refrigerant through its own heat dissipation structure, and outputs the liquid refrigerant. To the evaporative refrigeration unit 17, at this time, the evaporative refrigeration unit 17 in close contact with the heat rod 1 starts to work, causing the temperature of the heat dissipation end of the heat rod 1 to drop rapidly, causing the temperature of the heat dissipation end of the heat rod 1 to be lower than the temperature of the lower heat absorption end, and the hot rod 1 starts to work again. The low-temperature and low-pressure liquid whose temperature is reduced by the evaporative refrigeration unit 17 is converted into high-temperature and low-pressure gas due to heat absorption after flowing through the evaporative refrigeration unit 17, and enters the compressor 2 to complete a complete cycle. As a result, the entire system circulates and transforms the working medium, continuously reducing the temperature of the heat dissipation end of the hot rod 1, forcing the hot rod 1 to work continuously, thereby achieving the purpose of the hot rod 1 working around the clock.

[0042] The evaporative refrigeration unit 17, the compressor 2 and the condensing heat dissipation unit 18 can be connected together through a circulation pipeline to form a complete circulation loop, and the circulation pipeline can be a partial flexible hose.

[0043] In summary, the embodiment of the present invention sets an evaporative refrigeration unit 17, a condensing heat dissipation unit 18, etc., and controls the operation of the evaporative refrigeration unit 17 according to the comparison of the temperature above the ground 16 and below the ground 16 through the control unit 7, thereby cooling the heat rod 1 as needed, realizing the integrated cooling of the heat rod 1, thereby realizing the cooling of the frozen soil foundation, and by continuously lowering the temperature of the heat dissipation end of the heat rod 1, the heat rod 1 is forced to work uninterruptedly, thereby achieving the purpose of the heat rod 1 working all year round and all weather.

[0044] like Figure 1 As shown, the evaporative refrigeration unit 17 includes an embedded copper tube 8 and a hollow rubber sheath 9. The rubber sheath 9 is sheathed on the outer side of the heat dissipation end of the heat rod 1, and the embedded copper tube 8 is sheathed on the hollow inner side of the rubber sheath 9. The embedded copper tube 8 is bent in an S-shaped structure, and the working medium flows inside the embedded copper tube 8. The embedded copper tube 8 is fixedly connected to the compressor 2 and the condensation heat dissipation unit 18 respectively.

[0045] The above-mentioned embedded copper tube 8 is completely embedded in the inner side of the rubber sheath 9, and the openings at both ends of the embedded copper tube 8 pass through the rubber sheath 9 to be connected to the compressor 2 and the condensation and heat dissipation unit 18, thereby forming a circulation loop. The compressor 2 compresses the high-temperature and low-pressure gaseous working medium into a high-temperature and high-pressure gaseous working medium, releases heat through the condensation and heat dissipation unit 18, and is converted into a low-temperature and low-pressure liquid working medium and then output to the evaporative refrigeration unit 17 to cool the heat rod 1. During the cooling process, under the action of the heat emitted by the heat rod 1, the low-temperature and low-pressure liquid is converted into a high-temperature and low-pressure gaseous working medium, which is output to the compressor 2 to start the next cycle, thereby realizing the cyclic cooling of the heat rod 1 and achieving the purpose of the heat rod 1 working around the clock.

[0046] like Figure 1 , 4 As shown, the condensing and cooling unit 18 includes a water tank 10 and cooling fins 11. The cooling fins 11 are provided on the water tank 10. The water tank 10 is fixedly connected to the compressor 2 and the evaporative refrigeration unit 17 respectively.

[0047] The water tank 10 and the heat dissipation fins 11 are both made of metal with good heat dissipation. The water tank 10 is responsible for converting the high-temperature and high-pressure vapor refrigerant output by the compressor 2 into a low-temperature and low-pressure liquid refrigerant through the heat dissipation effect of itself and the heat dissipation fins 11, and outputting the low-temperature and low-pressure liquid refrigerant to the evaporative refrigeration unit 17.

[0048] like Figure 1 , 5 As shown in , 7 , the flue includes a flue front baffle 12, a flue rear baffle 13 and a flue partition 14, the solar panel 5 is tiltedly distributed, the flue front baffle 12 is connected above the solar panel 5, the flue rear baffle 13 is provided at the rear side of the solar panel 5 and the flue front baffle 12, and a plurality of flue partitions 14 are provided between the flue front baffle 12 and the flue rear baffle 13.

[0049] The flue front baffle 12 and the flue rear baffle 13 are both "L"-shaped and arranged in parallel. The rear of the flue front baffle 12 is coated with a heat-absorbing coating, and the flue rear baffle 13 is made of thermal insulation material. The solar panel 5, the flue front baffle 12, the flue rear baffle 13 and the flue partition 14 form a hollow "chimney" structure cavity. At the same time, the condensation heat dissipation unit 18 is arranged in the flue. Under the action of solar radiation during the day, the solar panel 5 will be heated, and then the air on the back of the solar panel 5 will be heated. The density of the heated air will decrease and become lighter, and it will rise rapidly along the flue to form a "chimney" effect through the flue. By using convection heat exchange, the heat dissipation efficiency of the condensation heat dissipation unit 18 is accelerated, providing a good ventilation and heat dissipation environment for the cooling of the condensation heat dissipation unit 18.

[0050] By arranging the condensation heat dissipation unit 18 at the lower air inlet of the flue, the air temperature is low and the air flow is large, which can better achieve the purpose of heat dissipation.

[0051] like Figure 6 As shown, multiple groups of solar panels 5 are arranged side by side and form an angle of 30° to 45° with the ground 16 .

[0052] Therefore, by setting the angle between the solar panel 5 and the ground 16, the utilization rate of solar energy is improved. At the same time, in order to avoid the strong heating effect of solar radiation on the ground surface during the day, the solar panel 5 can provide shade and cool down. By continuously arranging multiple solar panels 5 side by side, the entire site of the transmission line tower base can be well shaded to reduce the surface temperature, and at the same time, it can also reduce the effect of ineffective evaporation from the ground.

[0053] like Figure 1 , 7 As shown, a heat absorbing unit 15 is provided above the ground 16 behind the flue, and the heat absorbing unit 15 includes organic-rich soil, water-absorbing materials, and vegetation grass seeds.

[0054] The above-mentioned heat absorption unit 15 is mainly composed of organic-rich soil, water-absorbing materials, and vegetation grass seeds. The water-absorbing materials are one or a combination of vermiculite, diatomaceous earth, high-molecular water-absorbing resins, and plants; the vegetation grass seeds are preferably native vegetation types of the Qinghai-Tibet Plateau; wherein, the heat absorption unit 15 is mainly obtained by planting artificially cultivated vegetation adapted to the plateau, and the high-intensity ultraviolet rays are blocked by the front flue, so that the vegetation can grow smoothly. At the same time, the heat of the ground 16 is taken away by the transpiration of the vegetation, thereby protecting the ecology while preventing this part of the ground 16 from transferring heat downward; in addition, the heat absorption unit 15 can effectively absorb and block the infiltration of warm season rainfall, reducing the thermal erosion of water and heat on the frozen soil below the surface; at the same time, by promoting the growth of vegetation, the vegetation consumes heat through shading and evaporation of water on the leaves, further reducing the surface temperature.

[0055] The specific working process of the present invention is as follows: a space of about 0.5 meters is excavated below the ground 16 at the heat dissipation end of the heat rod 1, and then a rubber sheath 9 with an embedded copper tube 8 inside is tightly wrapped around the outer side of the tube wall of the heat rod 1, and the rubber sheath 9 is located in the excavated 0.5-meter underground section. When the compressor 2 is working, the working medium passing through the embedded copper tube 8 cools the heat dissipation end of the heat rod 1. At the same time, the circulation loop formed by the compressor 2, the condensation and heat dissipation unit 18 and the embedded copper tube 8 works to circulate and cool the working medium, ensuring that the embedded copper tube 8 is cooled and works normally, and by continuously cooling the heat rod 1, the heat rod 1 can achieve the purpose of working in all weather conditions.

[0056] Compared with the prior art, the present invention has the following characteristics and advantages:

[0057] The present invention is aimed at the outstanding problems in the application of the heat rod 1 engineering measure: first, it only works at night in winter and does not work at all in the warm season, resulting in too short working time, insufficient cold storage, and the cooling efficiency is difficult to meet the actual engineering needs in the annual and seasonal changes; second, the heat rod 1 is a point cooling, and it is difficult to deal with the large-scale heat absorption problem of the ground 16 of the power transmission line foundation. In response to the above problems, the present invention has a complete set of solutions to solve the problems that the heat rod 1 cannot work all-weather and all-year-round and the large-scale overall cooling of the site. Therefore, compared with the prior art, the present invention has outstanding advantages.

[0058] The prior art is: a semiconductor refrigeration sheet is arranged at the heat dissipation end of the hot rod 1 (above the ground 16), and a heat dissipation fan is arranged on the semiconductor refrigeration capacity to achieve the purpose of cooling the hot rod 1 and making it work all day long. However, this scheme has obvious shortcomings. First, the device uses a small fan air cooling method to dissipate heat, and the device is all exposed to the ground 16. In the harsh environment of the Qinghai-Tibet restoration, this mechanical fan is very easy to be damaged, causing the heat dissipation part of the semiconductor refrigeration sheet to fail and burn. Secondly, the power of the semiconductor refrigeration sheet is limited and cannot provide enough cold energy. Especially in the summer when the solar radiation on the plateau is very strong, this exposed semiconductor refrigeration sheet is difficult to cool the hot rod 1, and the hot rod 1 cannot be guaranteed to work fully. The present invention is completely different from it. First, the present invention installs the refrigeration part below the ground 16. This section is the section where the actual heat dissipation of the hot rod 1 is the strongest. Refrigeration is performed at this location, and the effect will be greatly improved, and the heat dissipation part will avoid the influence of solar radiation at the same time. Secondly, the present invention uses a water-cooled heat dissipation method. Compared with air cooling, water cooling has a better heat dissipation effect and can take away the heat generated when the hot rod 1 is working faster. At the same time, the heat absorption unit 15 designed by the present invention is not available in the existing measures. The addition of artificially planted vegetation not only plays a role in evaporation cooling and lowering the temperature of the ground 16, but also plays a certain role in protecting the ecological environment. In summary, these are all not available in the original technology, and the present invention is comprehensively superior to the existing technology.

[0059] The advantages of the present invention are that the cooling efficiency of the evaporative refrigeration unit 17 is improved by expanding the area of ​​the condensation and heat dissipation unit 18 and improving the heat dissipation efficiency. At the same time, by setting the flue, the "chimney effect" is achieved, and the position of the lower air outlet of the condensation and heat dissipation unit 18 is set. While improving the heat dissipation efficiency, it also reduces the setting of electronic equipment such as heat dissipation by fans in the previous technology, reduces the cost, and further improves the stability of the system.

[0060] The advantage of the present invention also lies in the integrated cooling design. Previous measures only focused on improving the heat rod 1 itself, while ignoring the improvement of the cooling effect on the overall frozen soil foundation. For example, the Qinghai-Tibet Highway heat rod 1 will produce a large number of secondary engineering diseases such as longitudinal cracking of the roadbed during application, which is due to the neglect of the consideration of the overall ground temperature control effect of the roadbed. The present invention uses the heat rod 1 and solar panel 5 to shade and cool, intercept water on the surface, and consume heat through vegetation evaporation, and multi-stage refrigeration and cooling to effectively achieve the overall balance, mutual coordination and stability of the foundation. At the same time, it also further greatly improves the cooling efficiency of the overall frozen soil foundation.

[0061] Example 2: A 0.5-meter-deep exploration pit is excavated at the bottom of the already laid out heat rod 1, and the center of the refrigeration part of the present invention is laid out 0.3 meters below the ground 16, and the length of the evaporative refrigeration unit 17 is 0.3 meters. The heat rod 1 is inserted 10 meters underground, and the part exposed above the ground 16 is 2 meters. During the simulation calculation, the working time is calculated as 8 hours after sunrise during the day, that is, from 10 am to 6 pm, the power of the compressor 2 is calculated as full power 100W, and the cold energy generated by the evaporative refrigeration unit 17 is calculated as 100% absorbed by the heat rod 1.

[0062] Under this condition, the calculation is based on the entire three-month summer. When the summer ends, the simulation results of the underground temperature field are as follows: Figure 8 As shown. It can be seen that in terms of the geothermal field morphological characteristics, in Figure a, since the heat rod 1 does not work in summer, a large amount of heat energy is conducted to the underground through the ground 16, and the ground 16 and the area near the ground 16 are already around 0°C. In Figure b, due to the use of the control device of the present invention, the heat rod 1 can also work normally in summer. Even if a large amount of heat energy is conducted to the underground through the ground 16, the heat rod 1 can resist the erosion of heat, and the range of negative temperature is larger than that in Figure b. The temperature near the heat rod 1 is close to -4°C, and the ground temperature in the effective range is basically all below 0°C, indicating that the operation of the heat rod 1 greatly reduces the ground temperature, making the freezing range larger, and effectively preventing a series of engineering diseases caused by the melting of permafrost in summer. The details are as follows:

[0063] (1) It effectively reduces the temperature change of the tower base due to the change of the external temperature, and meets the temperature field control requirements of the tower base of the transmission line in the permafrost area. Figure 8 It can be seen that after the implementation of this specific embodiment, when the temperature rises in summer, compared with the heat rod 1 that does not use the control measures of the present invention, the center to the surrounding low-temperature area is greatly strengthened, indicating that the permafrost has not degraded at this time, and the bearing capacity of the part of the tower base that penetrates into the permafrost area has not changed significantly.

[0064] (2) The distribution of the temperature contour lines of the temperature field is relatively uniform and flat. At the same time, the 0°C isotherm, i.e., the upper limit of frozen soil (black dotted line), is compared. After using the present invention, the working efficiency of the heat rod 1 is good, and the upper limit of frozen soil moves up to the vicinity of the ground 16, which means that the frozen area is expanded to the part close to the ground 16. The strength of the ground 16 is improved, and the stability of the tower foundation can be better maintained.

[0065] This example is only a representative analysis for the present invention, and its conclusions basically represent the effects that can be achieved by the present invention in terms of trend (there may be differences in specific values).

[0066] Example 3: A semiconductor enhanced refrigeration device in the prior art, such as Figure 9a As shown, the device includes aluminum alloy fins, semiconductor cooling sheets and two aluminum alloy brackets connected together. In actual application, the wall of the heat pipe in contact with the inner surface of the aluminum alloy bracket is first polished and polished, and then thermal conductive silicone grease is applied between the aluminum alloy bracket and the wall of the heat pipe, and finally the semiconductor enhanced refrigeration device is installed. From the perspective of this technology, cooling mainly uses semiconductor cooling sheets, and then uses wind power to actively dissipate heat to reduce the temperature of the semiconductor. This technology requires that the semiconductor sheet and the radiator be exposed to the surface so that air convection can be used to dissipate heat from the semiconductor. However, in this case, solar radiation will increase the temperature of the heat sink, resulting in insufficient heat dissipation, affecting the cooling power of the semiconductor radiator, which is already low in power. From the measured temperature graph, the wall temperature can be reduced to -2°C at most. Figure 9b As shown, the temperature of the heat rod 1 tube wall -2℃ is very different from the temperature of the heat absorbing end of the heat rod 1, resulting in a very low working efficiency of the heat rod 1, which basically cannot meet the requirements of summer cooling. However, the present invention uses a compressor 2 for cooling, and the evaporative cooling unit 17 is located below the ground 16, which is basically not affected by solar radiation. Figure 1 As shown, a series of supporting measures are adopted at the same time. Through calculation, it can be obtained that the wall temperature of the heat dissipation end of the heat rod 1 can be basically reduced to -10℃, such as Fig.10 As shown, the temperature difference with the heat absorbing end is greatly improved, which can ensure that the heat rod 1 works at full efficiency and fully meet the cooling needs in summer.

Claims

1. A compressor-type all-weather heat rod control device, characterized in that: It includes heat rod, evaporative refrigeration unit, compressor, condensing heat dissipation unit, flue and temperature collection unit; The heat dissipation end of the heat rod is buried below the ground, an evaporative refrigeration unit is mounted on the outer side of the heat dissipation end of the heat rod, a working medium is arranged in the evaporative refrigeration unit, an output end of the evaporative refrigeration unit is connected to a compressor, an output end of the compressor is connected to a condensation heat dissipation unit, and an output end of the condensation heat dissipation unit is fixedly connected to an input end of the evaporative refrigeration unit; The power supply unit includes a wind power generation device, a solar panel and a battery, and the wind power generation device and the solar panel are both connected to the battery; the condensation and heat dissipation unit is located inside the flue, and the solar panel is used as a part of the flue on the other side of the flue corresponding to the position of the condensation and heat dissipation unit; The temperature collection units are respectively arranged above the ground and below the ground; The control unit is respectively connected with the battery, the evaporative cooling unit, the compressor and the temperature collection unit; The flue includes a flue front baffle, a flue rear baffle and a flue partition. The solar panels are tilted and distributed. The flue front baffle is connected above the solar panels. The flue rear baffle is arranged behind the solar panels and the flue front baffle. A plurality of flue partitions are arranged between the flue front baffle and the flue rear baffle. There are multiple groups of solar panels arranged side by side, and they are at an angle of 30°~45° to the ground; A heat absorption unit is arranged above the ground behind the flue, and the heat absorption unit includes organic-rich soil, water-absorbing materials, and vegetation grass seeds.

2. A compressor type all-weather heat rod control device according to claim 1, characterized in that: The evaporative refrigeration unit includes an embedded copper tube and a hollow rubber sheath. The outer side of the heat dissipation end of the inner heat rod is covered with a rubber sheath, and the hollow inner side of the rubber sheath is covered with an embedded copper tube. The embedded copper tube is bent in an S-shaped structure, and the working medium flows inside the embedded copper tube. The embedded copper tube is fixedly connected to the compressor and the condensing heat dissipation unit respectively.

3. A compressor type all-weather heat rod control device according to claim 1 or 2, characterized in that: The condensing and cooling unit comprises a water tank and cooling fins. The cooling fins are arranged on the water tank. The water tank is fixedly connected with the compressor and the evaporative refrigeration unit respectively.

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